Top Definition
The act of aggressively licking a woman's ass.
When the tech is giving women "smog-checks", he's not working on their cars - he's licking their asses.
by Lothario the Scandalous August 16, 2011
1 more definition
Snorting cocaine out of a woman's asshole.
Hey Ox why is your face covered with coke?
I just gave Angela a smog check!
by Bjebbe February 18, 2009

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